558428731820 has 48 divisors (see below), whose sum is σ = 1180897014528. Its totient is φ = 221812551360.

The previous prime is 558428731801. The next prime is 558428731831. The reversal of 558428731820 is 28137824855.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3797465 + ... + 3941775.

It is an arithmetic number, because the mean of its divisors is an integer number (24602021136).

Almost surely, 2^558428731820 is an apocalyptic number.

It is an amenable number.

558428731820 is an abundant number, since it is smaller than the sum of its proper divisors (622468282708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

558428731820 is a wasteful number, since it uses less digits than its factorization.

558428731820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145670 (or 145668 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 53.

The spelling of 558428731820 in words is "five hundred fifty-eight billion, four hundred twenty-eight million, seven hundred thirty-one thousand, eight hundred twenty".